Metal detector



FIG. 1 is a front, right and bottom perspective view of a metal detector showing our new design;

FIG. 2 is a rear, right and top perspective view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a right side view thereof;

FIG. 7 is a top plan view thereof;

FIG. 8 is a bottom plan view thereof;

FIG. 9 is an enlarged view of portion 9 in FIG. 2; and,

FIG. 10 is an enlarged view of FIG. 8.

The evenly broken lines in the drawings illustrate portions of the article that form no part of the claim. 

CLAIM The ornamental design for a metal detector, as shown and described. 